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Gemini 4 Argon vs GPT-6.1 Sol: which delivered after 7 days?
Same stamp after day 7: both Gemini 4 Argon and GPT-6.1 Sol are stamped Partly. The claim tallies below show where each one held and where it didn't.
| Gemini 4 Argon | GPT-6.1 Sol | |
|---|---|---|
| Verdict | Partly | Partly |
| Claims held | 0 | 0 |
| Claims mixed | 2 | 3 |
| Claims failed | 1 | 0 |
| Claims unclear | 1 | 2 |
| User reports | 10 | 5 |
| Launched | 13 Oct 2026 | 29 Sept 2026 |
| Last stamped | 22 Oct 2026 | 22 Oct 2026 |
No. 005 · Google
Gemini 4 Argon
It is live in the API and Gemini app, but the advertised 95% cache discount gave users zero cache hits, and many Pro and Business subscribers still can't use it in Antigravity.
- Launched
- 13 Oct 2026
- Stamped
- 22 Oct 2026
- Claims
- ✓0 held · ~2 mixed · ✗1 failed · ?1 unclear
- Reports
- 10 (1 praise · 8 problem · 1 mixed)
What they claimed
“Gemini 4 Argon is now globally available today for developers and enterprises via the API in AI Studio and Gemini platform, for Google AI Ultra subscribers in Google Antigravity, and Google AI Ultra and Pro subscribers in the Gemini app and AI Mode in Search.”~ Mixed
“Today, we’re rolling out Gemini 4 Argon directly inside Google Antigravity for Google AI Pro and Ultra subscribers — available in the Antigravity desktop app and the Antigravity CLI.”~ Mixed
“The model launches today at an introductory price of $2 per million input tokens and $10 per million output tokens (with cached input tokens at 95% off).”✗ Fails
“Its depth and precision across multi-step tasks leads Argon to outperform other frontier models on benchmarks across domains, ranking #1 on the Vals Index”? Unclear
No. 004 · OpenAI
GPT-6.1 Sol
It arrived and Ultrafast followed, but 'available today' took app updates for many users, Ultrafast is limited to top plans, and some users report over-refusals.
- Launched
- 29 Sept 2026
- Stamped
- 22 Oct 2026
- Claims
- ✓0 held · ~3 mixed · ✗0 failed · ?2 unclear
- Reports
- 5 (0 praise · 3 problem · 2 mixed)
What they claimed
“GPT-6.1 Sol is available starting today to all Plus, Pro, Business, Enterprise, and Edu users in ChatGPT Work and Codex.”~ Mixed
“In the coming days, we’ll also offer GPT-6.1 Sol Ultrafast, with up to 8x faster token generation compared to its standard speed in Codex.”~ Mixed
“GPT-6.1 Sol is more transparent about its limitations and more reliable at respecting user intent and safety constraints.”~ Mixed
“We’re introducing GPT-6.1 Sol, an upgrade to GPT-6 Sol that nearly matches GPT-6 Astra’s intelligence on agentic coding, computer use, and professional work at one-fifth of Astra’s standard input and output token prices.”? Unclear
“Its standard API prices are $2 per million input tokens, $0.10 per million cached input tokens, and $10 per million output tokens.”? Unclear
Both stamps come from the public user reports linked on each receipt, under the same method. Verdicts are opinion and are never paid for.
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